What is the reasoning of 9 +10 is 21?

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Emil Ingerslev asked Sep 23, 2022

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15 votes

What is the reasoning of 9 +10 is 21?

Mathematics
high-school

Emil Ingerslev asked Sep 23, 2022

by Emil Ingerslev

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20 votes

Answer:

the reasoning is incorrect.

Explanation:

9+10=19.

Zumafra answered Sep 26, 2022

by Zumafra

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26 votes

The correct answer is 19

Baronvonbirra answered Sep 28, 2022

by Baronvonbirra

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